Home / 1,930,078.65-2,663,827.98-1,070,915.70

Finding the Fourth Proportional to 1,930,078.65, 2,663,827.98 and 1,070,915.70

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Solution

The fourth proportional to 1,930,078.65, 2,663,827.98 and 1,070,915.70 is: 1,478,040.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,078.65 : 2,663,827.98 = 1,070,915.70 : x
  2. Step 2: Convert to fraction form
    1,930,078.65/2,663,827.98 = 1,070,915.70/x
  3. Step 3: Cross multiply
    1,930,078.65x = 2,663,827.98 × 1,070,915.70
  4. Step 4: Simplify right side
    1,930,078.65x = 2,852,735,205,881.29
  5. Step 5: Solve for x
    x = 2,852,735,205,881.29/1,930,078.65
  6. Step 6: Final answer
    x = 1,478,040.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.